Acquisition method (AMC)
3
FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-01-478-9171 FSC 4820
NSN 4820-01-478-9171 (also written 4820014789171; NIIN 01-478-9171) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| END ITEM IDENTIFICATION AGAV | VALVE, BALL |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 2640-801X02 PC 45 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2640-801X2PC45 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 264080102-45 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 264080102-45CD | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2643-820-03 ITEM 31 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 845-7286645 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 845-7286645 ITEM 31 | 53711 | NAVAL SEA SYSTEMS COMMAND |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$659.20
Purchases
1
Total spend
$44,166
Sep 9, 2026
Last purchased
3 · 3.0/yr
Purchase records
$91,953
Total demand
$659.20
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 9, 2026 | 67 | $659.20 | $44,166 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (96169) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 17, 2026 | SPE7MC26P3412 ↗ | — | — | $3,620 |
| Sep 9, 2026 | SPE7MC26P3535 ↗ | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | — | $44,166 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
last award Sep 2026
NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0543 | Oct 13, 2026 | Oct 23, 2026 | 61 | Expired | View at DIBBS → |
| SPE7MC-27-T-0132 | Oct 7, 2026 | Oct 19, 2026 | 45 | Cancelled | View at DIBBS → |
| SPE7MC-26-T-152H | Jul 24, 2026 | Aug 28, 2026 | 67 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-478-9171/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-478-9171/